METHOD FOR LOWERING FLUID RESISTANCE, AND LIQUID TRANSPORT PIPE AND SHIP

PROBLEM TO BE SOLVED: To effectively lower the fluid resistance with a small energy by forming an inner wall of a pipeline or a wall surface of a ship's bottom into the predetermined water repellent surface or oil repellent surface, and forming a thin gas layer between the water repellent or th...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	SASAKI HIROSHI, NISHIKAWA AKIO, ITO YUTAKA, SHOJI SABURO, KAWASHIMA KENICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINEERING ELEMENTS AND UNITS EQUIPMENT FOR SHIPPING FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOWOF GASES OR LIQUIDS FLUID-PRESSURE ACTUATORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To effectively lower the fluid resistance with a small energy by forming an inner wall of a pipeline or a wall surface of a ship's bottom into the predetermined water repellent surface or oil repellent surface, and forming a thin gas layer between the water repellent or the oil repellent surface and the fluid. SOLUTION: An inner tube 2 is provided on the inside of a pipeline 1 of a synthetic resin pipe, and the inner tube 2 is formed with an air permeable layer 3 and a water repellent layer 4, which is provided on the inside of the air permeable layer 3 and which has air permeability and water repellency having an angle of contact with the fluid at 90 degree or more. The air permeable layer 3 is formed of a structural member, which is obtained by burning a sintered metal, etc., having a low filling density for hardening through a binder and which has a characteristic for easily permeating air and which has a certain degree of strength. When the air is blown out in the water through the air permeable layer 3, in the case where the surface of the layer is formed with the water repellent layer 4, since the surface repels water, the air forms an air layer between the water repellent surface of a pipeline and water. Consequently, loss of flow passage can be lowered.